Boating Coach
On the waterQuestion 310 of 566

What does the blue line on a lock's mooring wharf show?

  1. Where to tie your boat for the night.
  2. Where to fuel your boat.
  3. Where to pay the toll.
  4. Where to wait for the next lockage.
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Correct answer: Where to wait for the next lockage.

Wait at the blue line until it is your turn.

Source: Safe Boating Guide (TP 511E, 2026), Passing through a lock, page 41

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Questions last reviewed: 18 October 2026